3.5 Plus 4 Addition :

Number 1	Number 2	Answer
3.5	4	7.5

How to calculate 3.5 plus 4 ?

Let's break down the addition of 3.5 and 400 step by step:

   3.5      <-- Start with the rightmost column
+  400
---------

    Add the digits in the rightmost column:
        5 + 0 + 0 = 5
        Write down 5 in the rightmost column, carry over 0 to the next column.

   3.5
+  400
---------
     5


    Add the digits in the rightmost column:
        3 + 4 + 0 = 7
        Write down 7 in the rightmost column, carry over 0 to the next column.

   3.5
+  400
---------
     7.5

    Continue to the left:
        There are no more columns to the left.

The final result is 7.5.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
3.6	7	10.6	3.6 plus 7
3.7	11	14.7	3.7 plus 11
3.8	16	19.8	3.8 plus 16
5.8	1.1	6.9	5.8 plus 1.1
8.7	9.5	18.2	8.7 plus 9.5
5.4	7.1	12.5	5.4 plus 7.1